For those that are looking for an intersting way to 'decoreate' their macaron, take a look at these http://www.kevinandamanda.com/whatsnew/new-recipes/caramel-apple-macarons-with-cinnamon-apple-butter-frosting.html.
After looking at those I made apple butter for the first time around this time last year. Oh my was it good! I topped my macaron with peanuts, cashews, broken up peanutbutter cups and some good dark chocolate. Here is a picture of how they turned out: http://canadiancakedecoratorsguild.ning.com/photos/545381-359314200827396-2107330608-n-1